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https://issues.apache.org/jira/browse/HDFS-5350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13849380#comment-13849380
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Andrew Wang commented on HDFS-5350:
-----------------------------------
Hi Jimmy, I think you might have attached the wrong patch? Also, a recent email
thread on hdfs-dev concluded that we are going to deprecate and remove
BackupNode, so I think it'd be good to put this test somewhere else. Upon
thinking about it a little more, I think the easiest approach is adding some
metrics checks to a test in TestCheckpoint, since it's already triggering
checkpoints for you.
> Name Node should report fsimage transfer time as a metric
> ---------------------------------------------------------
>
> Key: HDFS-5350
> URL: https://issues.apache.org/jira/browse/HDFS-5350
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Rob Weltman
> Assignee: Jimmy Xiang
> Priority: Minor
> Fix For: 3.0.0
>
> Attachments: trunk-5350.patch, trunk-5666_v2.patch
>
>
> If the (Secondary) Name Node reported fsimage transfer times (perhaps the
> last ten of them), monitoring tools could detect slowdowns that might
> jeopardize cluster stability.
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